Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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What are the three main body parts of all arthropods?
a. | head, thorax, and abdomen | c. | guts, wings, and
coelom | b. | antenna, wings, and pincer | d. | legs, arms, and guts |
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2.
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Which of the following structures support an arthropod and help it to
move?
a. | endoskeleton | c. | antenna | b. | mandible | d. | an exoskeleton |
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3.
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Which of the following is NOT a function of neurons?
a. | carrying messages | c. | digesting food | b. | helping animals sense the
environment | d. | helping animals
move |
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4.
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What is an exoskeleton?
a. | hard external structure | c. | soft internal
structure | b. | loose frame | d. | brittle shell |
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5.
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Which of the following can be a parasite?
a. | earthworm | c. | sea cucumber | b. | fluke | d. | a centipede |
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6.
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What does the word invertebrate mean?
a. | an animal that has no backbone | c. | an animal that has no
head | b. | an animal that is a parasite | d. | an animal that has no
skeleton |
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7.
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Which of the following does NOT undergo complete metamorphosis?
a. | butterfly | c. | wasp | b. | grasshopper | d. | ant |
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8.
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What word describes the mammals, fish, birds, and plants that live in an
environment?
a. | abiotic | c. | the biosphere | b. | the population | d. | biotic |
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9.
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The five levels of organization in the environment, from first to fifth level
are
a. | organism, population, biosphere, ecosystem, community. | b. | organism,
population, biotic elements, abiotic elements, community. | c. | organism,
population, community, ecosystem, biosphere. | d. | organism, population, biosphere, abiotic
elements, ecology. |
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10.
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Which of the following is abiotic?
a. | a gar | c. | grass | b. | an alligator | d. | water |
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11.
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Organisms that can make their own food from sunlight are called
a. | decomposers. | c. | producers. | b. | consumers. | d. | carnivores. |
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12.
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Grass is eaten by a prairie dog. The prairie dog is eaten by a coyote. This is
an example of
a. | an abiotic element. | c. | a herbivore. | b. | an omnivore. | d. | a food chain. |
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13.
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The largest population an environment can support is its
a. | carrying capacity. | c. | population. | b. | limiting factor. | d. | symbiosis. |
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14.
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One type of competition involves individuals competing for resources. The other
involves competition between different
a. | organisms. | c. | environments. | b. | populations. | d. | relationships. |
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15.
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A bird eats a worm. Who is the predator?
a. | the worm | c. | both the bird and the worm | b. | the
bird | d. | neither the bird nor
the worm |
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16.
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Grass that gains energy from the sun is an example of a
a. | consumer. | c. | decomposer. | b. | parasite. | d. | producer. |
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17.
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Limiting factors determine an area’s carrying capacity because
a. | the number of animals is limited. | c. | animals need resources to
survive. | b. | ecosystems are small. | d. | the number of animals is unlimited. |
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18.
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Two members of the same species fight over who gets a certain food. Members of
different species try to take over a certain nesting area. These are both examples of
a. | community. | c. | mutualism. | b. | competition. | d. | commensalism. |
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19.
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What is the lowest level of environmental organization that three male egrets
would all belong in together?
a. | individual organism | c. | community | b. | population | d. | ecosystem |
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20.
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The plants a ladybug lives on, the aphids the ladybug eats, and the birds that
would eat the ladybug are all
a. | biotic elements of an ecosystem. | c. | producers. | b. | predators. | d. | abiotic elements of an ecosystem. |
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21.
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A scientist studying the way egrets, herons, and crabs interact, who is not
interested in abiotic factors such as the rocks, water, and temperature, is studying what level of
environmental organization?
a. | population | c. | community | b. | ecosystem | d. | biosphere |
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22.
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What level of organization comes after population?
a. | biosphere | c. | community | b. | organism | d. | ecosystem |
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23.
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What living things make food from sunlight?
a. | consumers | c. | decomposers | b. | parasites | d. | producers |
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24.
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In which relationship do living things help each other?
a. | parasitism | c. | organism | b. | mutualism | d. | predator |
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25.
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Coyotes prey on prairie dogs. In order for the prairie dog population to
survive, how many prairie dogs are needed compared to coyotes?
a. | fewer prairie dogs than coyotes | b. | many more prairie dogs than
coyotes | c. | about the same number of prairie dogs as coyotes | d. | There is no
relationship between the number of prairie dogs and coyotes. |
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26.
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It has been a very harsh winter. The ground is covered in snow, and the trees
are covered in ice. Many deer die because they cannot find food. This is an example of
a. | producers providing food. | b. | a limiting factor controlling a
population. | c. | a biosphere in trouble. | d. | predators harvesting the weak and the
sick. |
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27.
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Which of the following bacteria break down organic matter and return carbon
dioxide and water to the environment?
a. | combustion | c. | nitrogen fixation | b. | transpiration | d. | decomposition |
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28.
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Which of the following statements about groundwater is true?
a. | It is an important part of the water cycle. | c. | It is not involved in the water
cycle. | b. | It is trapped inside rocks. | d. | It is formed by evaporation. |
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29.
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What happens to most of the precipitation that falls to Earth’s
surface?
a. | It falls directly into oceans. | b. | It remains in ponds and
lakes. | c. | It seeps into underground rock formations. | d. | It quickly
evaporates into the atmosphere. |
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30.
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Carbon from the environment becomes a part of living organisms through
a. | photosynthesis. | c. | transpiration. | b. | respiration. | d. | decomposition. |
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31.
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What does homeostasis maintain in the body?
a. | a changing internal environment | c. | a changing external
environment | b. | a stable internal environment | d. | a stable external
environment |
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32.
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A collection of two or more tissues that work together to perform a function is
called
a. | an organ. | c. | a cell family. | b. | a tissue team. | d. | nervous tissue. |
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33.
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The type of tissue that supports and protects organs is
a. | epithelial tissue. | c. | muscle tissue. | b. | nervous tissue. | d. | connective
tissue. |
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34.
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The muscular system is made up of muscles that allow the body to
a. | rest. | c. | grow. | b. | move. | d. | heal. |
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35.
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What type of muscle is found only in the heart?
a. | cardiac muscle | c. | skeletal muscle | b. | smooth muscle | d. | biceps muscles |
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36.
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To help you move, skeletal muscle is attached to
a. | bones. | c. | ligaments. | b. | epithelial tissue. | d. | nervous tissue. |
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37.
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A muscle that bends part of your body is called
a. | a short muscle. | c. | a flexor. | b. | a closed muscle. | d. | an extensor. |
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38.
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A muscle that straightens part of your body is called
a. | a long muscle. | c. | a flexor. | b. | an open muscle. | d. | an extensor. |
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39.
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A strain is an injury in which a muscle
a. | becomes weaker. | c. | is overstretched or torn. | b. | becomes
swollen. | d. | has been warmed
up. |
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40.
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During tendinitis, a tendon becomes
a. | stronger. | c. | elastic. | b. | inflamed. | d. | less dense. |
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41.
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Which of the following phrases does NOT describe a function of your skin?
a. | keeps water in your body and foreign particles out of your body | b. | absorbs oxygen and
releases carbon dioxide | c. | contains sweat glands that help regulate body
temperature | d. | helps get rid of certain kinds of waste chemicals |
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42.
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A disease of the skeletal system that causes bones to become weak or to break
easily is called
a. | osteoporosis. | c. | arthritis. | b. | tendinitis. | d. | cancer. |
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43.
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A kind of exercise that helps strengthen your heart and increase your endurance
is
a. | stretching exercise. | c. | breathing exercise. | b. | aerobic exercise. | d. | resistance
exercise. |
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44.
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The material within bones that makes blood cells is called
a. | fat. | c. | compact bone. | b. | mineral. | d. | marrow. |
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45.
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What kind of injury happens if a muscle is stretched too far?
a. | a fracture | c. | a strain | b. | arthritis | d. | tendinitis |
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46.
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A person may have a greater chance of getting skin cancer if he or she
has
a. | oily skin. c. light
skin. | b. | sensitive skin. | c. | dark skin. |
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47.
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To digest food, your stomach works with other organs such as the
a. | eyes. | c. | intestines. | b. | heart. | d. | lungs. |
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48.
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How many bones does the average adult human skeleton have?
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49.
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Which of these is an example of resistance exercise?
a. | dancing | c. | weight lifting | b. | skiing | d. | jogging |
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50.
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What muscle can you use to bend your forearm toward your shoulder?
a. | extensor muscle | c. | triceps muscle | b. | biceps muscle | d. | smooth muscle |
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